Konica Minolta bizhub C451 - Manual (Page 31)

Before use 1
C451 1-3
1.2 Precautions (IP Address Fax)
2
Reminder
In order to use IP address fax functions, a technical expert must install
the settings. Contact your service representative for details.
To use the IP Address Fax function, an optional fax kit must be installed in
this machine (however, extension lines cannot be used).
2
Reminder
When the machine is turned off, then on again with the main power
switch, wait at least 10 seconds to turn the machine on after turning it off.
The machine may not operate correctly if it is turn on immediately after
being turned off.